Test a display mode against the available amount of video memory in
struct drm_mode_config_funcs.mode_valid, which cirrus implements in
cirrus_mode_config_mode_valid(). This helper tests display modes against
device-wide limits. Remove the now-obsolete per-CRTC test.
Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
---
drivers/gpu/drm/tiny/cirrus.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/tiny/cirrus.c b/drivers/gpu/drm/tiny/cirrus.c
index c2d7bb775629..6c2be39d79a5 100644
--- a/drivers/gpu/drm/tiny/cirrus.c
+++ b/drivers/gpu/drm/tiny/cirrus.c
@@ -419,15 +419,6 @@ static const struct drm_plane_funcs cirrus_primary_plane_funcs = {
DRM_GEM_SHADOW_PLANE_FUNCS,
};
-static enum drm_mode_status cirrus_crtc_helper_mode_valid(struct drm_crtc *crtc,
- const struct drm_display_mode *mode)
-{
- if (cirrus_check_size(mode->hdisplay, mode->vdisplay, NULL) < 0)
- return MODE_BAD;
-
- return MODE_OK;
-}
-
static int cirrus_crtc_helper_atomic_check(struct drm_crtc *crtc, struct drm_atomic_state *state)
{
struct drm_crtc_state *crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
@@ -462,7 +453,6 @@ static void cirrus_crtc_helper_atomic_enable(struct drm_crtc *crtc,
}
static const struct drm_crtc_helper_funcs cirrus_crtc_helper_funcs = {
- .mode_valid = cirrus_crtc_helper_mode_valid,
.atomic_check = cirrus_crtc_helper_atomic_check,
.atomic_enable = cirrus_crtc_helper_atomic_enable,
};
@@ -555,8 +545,21 @@ static int cirrus_pipe_init(struct cirrus_device *cirrus)
/* ------------------------------------------------------------------ */
/* cirrus framebuffers & mode config */
+static enum drm_mode_status cirrus_mode_config_mode_valid(struct drm_device *dev,
+ const struct drm_display_mode *mode)
+{
+ const struct drm_format_info *format = drm_format_info(DRM_FORMAT_XRGB8888);
+ uint64_t pitch = drm_format_info_min_pitch(format, 0, mode->hdisplay);
+
+ if (pitch * mode->vdisplay > CIRRUS_VRAM_SIZE)
+ return MODE_MEM;
+
+ return MODE_OK;
+}
+
static const struct drm_mode_config_funcs cirrus_mode_config_funcs = {
.fb_create = drm_gem_fb_create_with_dirty,
+ .mode_valid = cirrus_mode_config_mode_valid,
.atomic_check = drm_atomic_helper_check,
.atomic_commit = drm_atomic_helper_commit,
};
--
2.39.1
_______________________________________________
Virtualization mailing list
Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linuxfoundation.org/mailman/listinfo/virtualization
